#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
int main()
{
	int arr1[] = { 1,2,3,4,5,6,7,8,9,10 };
	int arr2[10] = { 0 };
	memcpy(arr2, arr1, 20);
	int i = 0;
	for (i = 0; i < 10; i++)
	{
		printf("%d ", arr2[i]);
	}
	return 0;
}
